fix: update `infinyon/json-sql` sm refs to use embeds

[EstebanBorai]

• Updates infinyon/json-sql version to match 0.2.1
• Updates embeds to use 0.2.1
• Splits output embed from input embed to make it reusable
• Updates previous doc versions to use 0.2.1

[cloudflare-workers-and-pages[bot]]

Deploying fluvio-docs-nightly with    Cloudflare Pages

Latest commit:	9550716
Status:	✅  Deploy successful!
Preview URL:	https://219121ea.fluvio-docs-15u.pages.dev
Branch Preview URL:	https://301-fixup-smartmodule-infiny.fluvio-docs-15u.pages.dev

View logs